Convert fen (Hong Kong) to line (button makers)
Selected category: length.
Definition and details for fen (Hong Kong):
Fen is used in Hnog Kong as a unit of length equal to 1/100 chek (Hong Kong foot) or 3.71475 mm.
Definition and details for line (button makers):
U.S. button maker use the "line" unit of length to measure buttons. This unit is equal to 1/40 inch or 0.635 mm. It was probably introduced by German immigrants, who used since ninth century a different version of "ligne" equal to 1/40 inch to measure buttons.